Hi !
... with the PIC16F84 desoldered & programmed the chip with K150 Programmer and IC-Adapter
(alos removed Y976, & C981) my PS2 Mouse (Perixx PERIMICE-209 P) is now working with one hint:
During Startup, when loading Workbench, suddenly my whole Workbench is "scrolling down" endless !
So I...